Mycotheca Generalis #172
F. Petrak [1-2100]
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Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP18039
F. Petrak s.n. 00 August 1934
Systremma natans (Tode) Theiss. & Syd.
Czech Republic, Mahren: am Cab-Berge bei Wsetin
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USDA United States National Fungus Collections
Catalog #: BPI 991247
Petrak F. s.n. 00 August 1934
Systremma natans (Tode) Theiss. & Syd.
Czech Republic, Maehren, Am Cab-Berge, Wsetin
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USDA United States National Fungus Collections
Catalog #: BPI 643776
Petrak F. s.n. 00 August 1934
Systremma natans (Tode) Theiss. & Syd.
Czechoslovakia, Maehren, Am Cab-Berge, Wsetin
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